--- xdrawchem/molinfodialog.cpp.orig	2005-08-08 00:00:19 +0400
+++ xdrawchem/molinfodialog.cpp	2008-11-05 03:46:45 +0300
@@ -5,6 +5,8 @@
 #include "helpwindow.h"
 #include "defs.h"
 
+#include <stdlib.h>
+
 // defined in main.cpp
 extern QString RingDir;